HEADPHONE
I love music so much. And
a little thing that I never forgotten is HEADPHONE. But what do you think about headphone? Lets check
this one out…
1.
Definition
and history
Headphone is a small
loudspeaker and it used to user’s ears by connecting with signal source. Headphone
also known as stereophones, headsets or colloqually cans. The history of
headphone is originated from the old telephone earpiece in 20th century and it
develop with brandes radio headphone.
2.
Applications
In the context of music, Headphone can be used
both with fixed equipment such as CD or DVD players, home teather, personal
computer and with portable devices (e.g. digital audio player / mp3 player,
mobile phone, etc). In the professional audio sector, headphone are used in
live situations by disk jockeys with a DJ mixer and sound engineers for
monitoring signal sources. In te context of telecommunication the term headset
is used to describe a combination of headphone and microphone used for two –
way communication for example with a telephone.
3.
Types of
headphones
Listener choice the types of
headphone by the particular needs of the listener. Generally, headphone form
factors can be devided into four separate categories, such as circumaural,
supra-aural, earbud and in-ear.
a.
Circumaural
Circumaural headphones have large pads that surround the
outer ear. Because of the size, circumaural haedphones can be heavy .
b.
Supra-aural
Supra-aural headphones have pads that sit on top of the
ears, rather than around them. This type of headphone generally tends to be
smaller and more lightweight than circumaural.
c.
Earbuds
Headphone of a much smaller size that are placed directly
outside of the ear canal, but without fully enveloping it. During 1990s and
2000s , earbuds became a common type bundled eith personal music devices.
d.
In-ear
In-ear extends into the ear canal, providing isolation from
outside noise (block out environmental noise.
4.
Headphone
work system
headphone have three
important component, such as jack, cable and speaker. The function of Jack is as
connector for the sound maker, cable
have a thin fillament inside and the speaker is the media for sounds output.
The process start from a sound that change into wave signal and then the signal
go to the thin fillament to cable before go into speaker. Then the signal
continue to speaker, in speaker there is a change of signal—then the signal
will produce into the sound.
5.
Benefits of
headphone
a.
Portable, easy
to bring every where if you want to listening to the music because the size is
small
b.
The sound is produce
will hear clearly
c.
The voice is
not scattered, so doesn’t disturb
another people
6.
Lacks of
headphone
a.
The produce
sound’s wave is very big, and the waves can deafened our ears
b.
Used the
headphone too long give an effect for user’s ears bacteria inflate faster, espesially
earphone, because the air doesn’t change with outside area is close.
c.
If you use
headphone you can make people is annoyed, because if they call you, you can’t
hear because of your ears cover with headphone
d.
Thin
filllament inside headphone’s cable easy to interrupted
7.
How to use
headphone but not interude our health?
a.
Try to release
the earphone every 20 minutes
b.
Don’t set the
volume is too big, If you can’t hear the voice around you, please lower the
voice
c.
Choose the
player music which the sound less than 95 decibel
8.
Where you can
buy the headphone and how about the price?
It’s easy to find the headphone. We can buy the headphone
in electronic shop, handphone shop and another place such as shopping mall .
And the prices is various start from 35000 until 120000 rupiahs.
